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79b41939 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | ////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // (V-zero) detector version 4 as designed by the Lyon group // | |
21 | // All comments should be sent to Brigitte CHEYNIS : // | |
22 | // b.cheynis@ipnl.in2p3.fr // | |
23 | // Geometry of the 24th of february 2004 // | |
24 | // (now 4 rings instead of 3 rings as in previous version) // | |
25 | // V0R (now V0C) sits between Z values -89.4 and -84.9 cm // | |
26 | // V0L (now V0A) sits between Z values +350.0 and +352.0 cm // | |
27 | // New coordinate system has been implemented in october 2003 // | |
28 | // // | |
29 | ////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | // --- Standard libraries --- | |
32 | #include <Riostream.h> | |
33 | #include <stdlib.h> | |
34 | #include <string.h> | |
35 | ||
36 | // --- ROOT libraries --- | |
37 | #include <TClonesArray.h> | |
79b41939 | 38 | #include <TGeometry.h> |
39 | #include <TLorentzVector.h> | |
40 | #include <TMath.h> | |
41 | #include <TNode.h> | |
42 | #include <TObjectTable.h> | |
43 | #include <TTUBE.h> | |
44 | #include <TTUBS.h> | |
45 | #include <TVirtualMC.h> | |
46 | #include <TParticle.h> | |
47 | ||
48 | // --- AliRoot header files --- | |
49 | #include "AliRun.h" | |
50 | #include "AliMC.h" | |
51 | #include "AliConst.h" | |
254ef8f1 | 52 | #include "AliLog.h" |
79b41939 | 53 | #include "AliMagF.h" |
54 | #include "AliVZEROLoader.h" | |
55 | #include "AliVZEROdigit.h" | |
56 | #include "AliVZEROhit.h" | |
57 | #include "AliVZEROv4.h" | |
58 | ||
59 | ClassImp(AliVZEROv4) | |
60 | ||
61 | //_____________________________________________________________________________ | |
0b2bea8b | 62 | AliVZEROv4:: AliVZEROv4():AliVZERO(), |
63 | fCellId(0), | |
64 | fTrackPosition(), | |
65 | fTrackMomentum(), | |
66 | fLightYield(93.75), | |
67 | fLightAttenuation(0.05), | |
68 | fnMeters(15.0), | |
69 | fFibToPhot(0.3) | |
70 | ||
79b41939 | 71 | { |
72 | // Standard default constructor | |
73 | } | |
74 | ||
75 | //_____________________________________________________________________________ | |
76 | AliVZEROv4::AliVZEROv4(const char *name, const char *title): | |
0b2bea8b | 77 | AliVZERO(name,title), |
78 | fCellId(0), | |
79 | fTrackPosition(), | |
80 | fTrackMomentum(), | |
81 | fLightYield(93.75), | |
82 | fLightAttenuation(0.05), | |
83 | fnMeters(15.0), | |
84 | fFibToPhot(0.3) | |
85 | ||
79b41939 | 86 | { |
87 | ||
88 | // Standard constructor for V-zero Detector version 2 | |
89 | ||
254ef8f1 | 90 | AliDebug(2,"Create VZERO object"); |
0b2bea8b | 91 | // |
92 | // fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon) | |
93 | // fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter) | |
94 | // fnMeters = 15.0; // Number of meters of clear fibers to PM | |
95 | // fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface | |
79b41939 | 96 | } |
97 | ||
98 | //_____________________________________________________________________________ | |
99 | void AliVZEROv4::CreateGeometry() | |
100 | { | |
101 | ||
102 | // Creates the GEANT geometry of the V-zero Detector version 3 | |
103 | ||
254ef8f1 | 104 | AliDebug(2,"Create VZERO Geometry "); |
79b41939 | 105 | |
106 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
107 | ||
108 | Int_t ndetR = 1; | |
109 | Int_t ndetL = 1; | |
110 | ||
111 | Int_t ncellsR = 1; | |
112 | Int_t ncellsL = 1; | |
113 | ||
114 | Int_t idrotm[999]; | |
115 | ||
116 | Float_t height1Right, height2Right, height3Right, height4Right; | |
117 | Float_t heightRight; | |
118 | Float_t theta; | |
119 | ||
120 | Float_t halfThickQua; | |
121 | ||
122 | Float_t zdet; | |
123 | Float_t r0Right, r4Right; | |
124 | Float_t pi = TMath::Pi(); | |
125 | ||
126 | height1Right = 3.42; // height of cell 1, in cm | |
127 | height2Right = 6.78; // height of cell 2, in cm | |
128 | height3Right = 7.11; // height of cell 3, in cm | |
129 | height4Right = 10.91; // height of cell 4, in cm | |
130 | ||
131 | theta = pi/6.0/2.0; // half angular opening = 15 degrees | |
132 | ||
133 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
134 | ||
135 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
136 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
137 | // size of V0R box (fThickness) is increased by 1 mm as compared to version v2 | |
138 | ||
139 | fThickness = fThickness + 0.1; | |
140 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
141 | r0Right = 4.05; // closest distance to center of the beam pipe | |
142 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
143 | r4Right = r0Right + heightRight; | |
144 | ||
145 | // Creation of mother volume v0LE - left part - : | |
146 | // Entrance face at +350.0 cm (new coordinate system) ... | |
147 | ||
148 | Float_t partube[3]; | |
149 | ||
150 | partube[0] = 4.3; | |
151 | partube[1] = 45.0; | |
152 | partube[2] = fThickness1/2.0; | |
153 | ||
154 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
155 | ||
156 | // Creation of five rings - left part - : | |
157 | // Entrance face at +350.0 cm (new coordinate system) ... | |
158 | ||
159 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
160 | ||
161 | Float_t partubs[5]; | |
162 | ||
163 | Float_t r0Left = 4.3; | |
164 | Float_t height1Left = 3.6; | |
165 | Float_t height2Left = 6.4; | |
166 | Float_t height3Left = 14.9; | |
167 | Float_t height4Left = 14.4; | |
168 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
169 | ||
170 | Float_t r4Left = r0Left + heightLeft; | |
171 | ||
172 | partubs[0] = r0Left; | |
173 | partubs[1] = r4Left; | |
174 | partubs[2] = fThickness1/2.0; | |
175 | partubs[3] = 90.0-15.0; | |
176 | partubs[4] = 120.0-15.0; | |
177 | ||
178 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
179 | ||
180 | Float_t r1Left = r0Left + height1Left; | |
181 | ||
182 | partubs[0] = r0Left; | |
183 | partubs[1] = r1Left; | |
184 | ||
185 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
186 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
187 | ||
188 | Float_t r2Left = r1Left + height2Left; | |
189 | ||
190 | partubs[0] = r1Left; | |
191 | partubs[1] = r2Left; | |
192 | ||
193 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
194 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
195 | ||
196 | Float_t r3Left = r2Left + height3Left; | |
197 | ||
198 | partubs[0] = r2Left; | |
199 | partubs[1] = r3Left; | |
200 | ||
201 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
202 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
203 | ||
204 | partubs[0] = r3Left; | |
205 | partubs[1] = r4Left; | |
206 | ||
207 | gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume | |
208 | gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
209 | ||
210 | // Creation of mother volume v0RI - right part - : | |
211 | ||
212 | partube[0] = r0Right - 0.2; | |
213 | partube[1] = r4Right + 1.0; | |
214 | partube[2] = fThickness/2.0; | |
215 | ||
216 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
217 | ||
218 | // Creation of carbon lids (3.5 mm thick) to keep v0RI box shut... | |
219 | ||
220 | Float_t lidThickness = 0.35; | |
221 | ||
222 | partube[0] = r0Right; | |
223 | partube[1] = r4Right; | |
224 | partube[2] = +lidThickness/2.0; | |
225 | ||
226 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
227 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
228 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
229 | ||
230 | // Creation of aluminum rings to maintain the v0RI pieces ... | |
231 | ||
232 | partube[0] = r0Right - 0.2; | |
233 | partube[1] = r0Right; | |
234 | partube[2] = +fThickness/2.0; | |
235 | ||
236 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
237 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
238 | ||
239 | partube[0] = r4Right; | |
240 | partube[1] = r4Right + 1.0; | |
241 | partube[2] = +fThickness/2.0; | |
242 | ||
243 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
244 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
245 | ||
246 | // Mother volume v0R0 in which will be set 4 scintillator cells | |
247 | ||
248 | partubs[0] = r0Right; | |
249 | partubs[1] = r4Right; | |
250 | partubs[2] = fThickness/2.0; | |
251 | partubs[3] = 90.0-15.0; | |
252 | partubs[4] = 120.0-15.0; | |
253 | ||
254 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
255 | ||
256 | // Elementary cell of ring 1 : | |
257 | // (cells of ring 1 will be shifted by 1.7 cm towards vertex to output fibers) | |
258 | ||
259 | Float_t offsetFibers = 1.7; | |
260 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
261 | Float_t r1Right = r0Right + height1Right; | |
262 | ||
263 | partubs[0] = r0Right; | |
264 | partubs[1] = r1Right; | |
265 | partubs[2] = fThickness1/2.0; | |
266 | ||
267 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
268 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
269 | ||
270 | // Elementary cell of ring 2 : | |
271 | ||
272 | Float_t r2Right = r1Right + height2Right; | |
273 | ||
274 | partubs[0] = r1Right; | |
275 | partubs[1] = r2Right; | |
276 | ||
277 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
278 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
279 | ||
280 | ||
281 | // Elementary cell of ring 3 : | |
282 | ||
283 | Float_t r3Right = r2Right + height3Right; | |
284 | ||
285 | partubs[0] = r2Right; | |
286 | partubs[1] = r3Right; | |
287 | ||
288 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
289 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
290 | ||
291 | // Elementary cell of ring 4 : | |
292 | ||
293 | partubs[0] = r3Right; | |
294 | partubs[1] = r4Right; | |
295 | ||
296 | gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
297 | gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
298 | ||
299 | Float_t phiDeg = 180./6.; | |
300 | ||
301 | // Right part : | |
302 | ||
303 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
304 | { | |
305 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
306 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
307 | 0.0,0.0,idrotm[902],"ONLY"); | |
308 | ndetR++; | |
309 | } | |
310 | ||
311 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
312 | ||
313 | ncellsR = (ndetR - 1) * 4; | |
254ef8f1 | 314 | AliInfo(Form("Number of cells on Right side = %d", ncellsR)); |
79b41939 | 315 | |
316 | // Left part : | |
317 | ||
318 | for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg) | |
319 | { | |
320 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
321 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
322 | 0.0,0.0,idrotm[902],"ONLY"); | |
323 | ndetL++; | |
324 | } | |
325 | ||
326 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY"); | |
327 | ||
328 | ncellsL = (ndetL - 1) * 4; | |
254ef8f1 | 329 | AliInfo(Form("Number of cells on Left side = %d", ncellsL)); |
79b41939 | 330 | |
331 | } | |
332 | ||
333 | //_____________________________________________________________________________ | |
334 | void AliVZEROv4::BuildGeometry() | |
335 | { | |
336 | ||
337 | // Builds simple ROOT TNode geometry for event display | |
338 | ||
254ef8f1 | 339 | AliDebug(2,"VZERO BuildGeometry "); |
79b41939 | 340 | |
341 | TNode *top; | |
342 | ||
343 | TNode *v0Rnode, *v0Rnode0, *v0Rnode6 , *v0Rnode7, *v0Rnode8, *v0Rnode9; | |
344 | TNode *v0Rnode1, *v0Rnode2, *v0Rnode3, *v0Rnode4; | |
345 | TNode *v0Lnode, *v0Lnode0; | |
346 | TNode *v0Lnode1, *v0Lnode2, *v0Lnode3, *v0Lnode4; | |
347 | ||
348 | const int kColorVZERO = kGreen; | |
349 | ||
350 | top = gAlice->GetGeometry()->GetNode("alice"); | |
351 | ||
352 | Float_t height1Right, height2Right, height3Right, height4Right; | |
353 | Float_t heightRight; | |
354 | Float_t theta; | |
355 | ||
356 | Float_t halfThickQua; | |
357 | Float_t zdet; | |
358 | Float_t r0Right, r4Right; | |
359 | Float_t pi = TMath::Pi(); | |
360 | ||
361 | height1Right = 3.42; // height of cell 1, in cm | |
362 | height2Right = 6.78; // height of cell 2, in cm | |
363 | height3Right = 7.11; // height of cell 3, in cm | |
364 | height4Right = 10.91; // height of cell 4, in cm | |
365 | ||
366 | theta = pi/6.0/2.0; | |
367 | ||
368 | halfThickQua = fThickness1/2.0; | |
369 | ||
370 | zdet = 90.0 - 0.6 - fThickness/2.0; | |
371 | r0Right = 4.05; | |
372 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
373 | r4Right = r0Right + heightRight; | |
374 | ||
375 | Int_t ndiv = 1; | |
376 | ||
377 | Float_t partube[3]; | |
378 | ||
379 | partube[0] = r0Right - 0.2; | |
380 | partube[1] = r4Right + 1.0; | |
381 | partube[2] = fThickness/2.0; | |
382 | ||
383 | TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]); | |
384 | ||
385 | top->cd(); | |
386 | ||
387 | v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0); | |
388 | ||
389 | v0Rnode->SetLineColor(kYellow); | |
390 | fNodes->Add(v0Rnode); | |
391 | v0Rnode->SetVisibility(2); | |
392 | ||
393 | // Rondelles de carbone (epaisseur 3.5 mm) de maintien des cellules ... | |
394 | ||
395 | Float_t lidThickness = 0.35; | |
396 | ||
397 | partube[0] = r0Right; | |
398 | partube[1] = r4Right; | |
399 | partube[2] = +lidThickness/2.0; | |
400 | ||
401 | TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]); | |
402 | ||
403 | v0Rnode->cd(); | |
404 | v0Rnode6 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0); | |
405 | v0Rnode6->SetLineColor(kYellow); | |
406 | fNodes->Add(v0Rnode6); | |
407 | v0Rnode->cd(); | |
408 | v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0); | |
409 | v0Rnode7->SetLineColor(kYellow); | |
410 | fNodes->Add(v0Rnode7); | |
411 | ||
412 | partube[0] = r0Right - 0.2; | |
413 | partube[1] = r0Right; | |
414 | partube[2] = +fThickness/2.0; | |
415 | ||
416 | TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]); | |
417 | ||
418 | v0Rnode->cd(); | |
419 | v0Rnode8 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0); | |
420 | v0Rnode8->SetLineColor(kYellow); | |
421 | fNodes->Add(v0Rnode8); | |
422 | ||
423 | partube[0] = r4Right; | |
424 | partube[1] = r4Right + 1.0; | |
425 | partube[2] = +fThickness/2.0; | |
426 | ||
427 | TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]); | |
428 | ||
429 | v0Rnode->cd(); | |
430 | v0Rnode9 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0); | |
431 | v0Rnode9->SetLineColor(kYellow); | |
432 | fNodes->Add(v0Rnode9); | |
433 | ||
434 | Float_t partubs[5]; | |
435 | ||
436 | partubs[0] = r0Right; | |
437 | partubs[1] = r4Right; | |
438 | partubs[2] = fThickness/2.0; | |
439 | partubs[3] = 90.0-15.0; | |
440 | partubs[4] = 120.0-15.0; | |
441 | ||
442 | TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2], | |
443 | partubs[3], partubs[4]); | |
444 | ||
445 | v0R0->SetNumberOfDivisions(ndiv); | |
446 | ||
447 | Float_t r1Right = r0Right + height1Right; | |
448 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
449 | Float_t offsetFibers = 1.7; | |
450 | ||
451 | partubs[0] = r0Right; | |
452 | partubs[1] = r1Right; | |
453 | partubs[2] = fThickness1/2.0; | |
454 | ||
455 | TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2], | |
456 | partubs[3], partubs[4]); | |
457 | ||
458 | v0R1->SetNumberOfDivisions(ndiv); | |
459 | ||
460 | Float_t r2Right = r1Right + height2Right; | |
461 | ||
462 | partubs[0] = r1Right; | |
463 | partubs[1] = r2Right; | |
464 | ||
465 | TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2], | |
466 | partubs[3], partubs[4]); | |
467 | ||
468 | v0R2->SetNumberOfDivisions(ndiv); | |
469 | ||
470 | Float_t r3Right = r2Right + height3Right; | |
471 | ||
472 | partubs[0] = r2Right; | |
473 | partubs[1] = r3Right; | |
474 | ||
475 | TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2], | |
476 | partubs[3], partubs[4]); | |
477 | v0R3->SetNumberOfDivisions(ndiv); | |
478 | ||
479 | partubs[0] = r3Right; | |
480 | partubs[1] = r4Right; | |
481 | ||
482 | TTUBS *v0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2], | |
483 | partubs[3], partubs[4]); | |
484 | v0R4->SetNumberOfDivisions(ndiv); | |
485 | ||
486 | Float_t phi; | |
487 | Float_t phiDeg= 180./6.; | |
488 | ||
489 | Int_t ndetR = 1; | |
490 | ||
491 | char nameNode[12]; | |
492 | ||
493 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
494 | ||
495 | { | |
496 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
497 | ||
498 | sprintf(nameNode,"SUBDER%d",ndetR); | |
499 | ||
500 | v0Rnode->cd(); | |
501 | v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920); | |
502 | v0Rnode0->SetLineColor(kYellow); | |
503 | fNodes->Add(v0Rnode0); | |
504 | ndetR++; | |
505 | ||
506 | sprintf(nameNode,"SUBDER%d",ndetR); | |
507 | v0Rnode0->cd(); | |
508 | v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset+ offsetFibers ,0); | |
509 | v0Rnode1->SetLineColor(kColorVZERO); | |
510 | fNodes->Add(v0Rnode1); | |
511 | ndetR++; | |
512 | ||
513 | sprintf(nameNode,"SUBDER%d",ndetR); | |
514 | v0Rnode0->cd(); | |
515 | v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset,0); | |
516 | v0Rnode2->SetLineColor(kColorVZERO); | |
517 | fNodes->Add(v0Rnode2); | |
518 | ndetR++; | |
519 | ||
520 | sprintf(nameNode,"SUBDER%d",ndetR); | |
521 | v0Rnode0->cd(); | |
522 | v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset,0); | |
523 | v0Rnode3->SetLineColor(kColorVZERO); | |
524 | fNodes->Add(v0Rnode3); | |
525 | ndetR++; | |
526 | ||
527 | sprintf(nameNode,"SUBDER%d",ndetR); | |
528 | v0Rnode0->cd(); | |
529 | v0Rnode4 = new TNode(nameNode,nameNode,v0R4,0.0,0.0, -offset,0); | |
530 | v0Rnode4->SetLineColor(kColorVZERO); | |
531 | fNodes->Add(v0Rnode4); | |
532 | ndetR++; | |
533 | ||
534 | v0Rnode0->SetVisibility(2); | |
535 | } | |
536 | ||
537 | // Left side of VZERO : | |
538 | ||
539 | Float_t r0Left = 4.3; | |
540 | Float_t height1Left = 3.6; | |
541 | Float_t height2Left = 6.4; | |
542 | Float_t height3Left = 14.9; | |
543 | Float_t height4Left = 14.4; | |
544 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
545 | ||
546 | Float_t r4Left = r0Left + heightLeft; | |
547 | ||
548 | partube[0] = r0Left; | |
549 | partube[1] = r4Left; | |
550 | partube[2] = fThickness1/2.0; | |
551 | ||
552 | TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]); | |
553 | ||
554 | top->cd(); | |
555 | ||
556 | v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,350.0+fThickness1/2.0,0); | |
557 | ||
558 | v0Lnode->SetLineColor(kBlue); | |
559 | fNodes->Add(v0Lnode); | |
560 | ||
561 | v0Lnode->SetVisibility(2); | |
562 | ||
563 | partubs[0] = r0Left; | |
564 | partubs[1] = r4Left; | |
565 | partubs[2] = fThickness1/2.0; | |
566 | partubs[3] = 90.0-15.0; | |
567 | partubs[4] = 120.0-15.0; | |
568 | ||
569 | TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2], | |
570 | partubs[3], partubs[4]); | |
571 | ||
572 | v0L0->SetNumberOfDivisions(ndiv); | |
573 | v0L0->SetLineColor(7); | |
574 | ||
575 | Float_t offsetLeft; | |
576 | offsetLeft = - fThickness1/2.0; | |
577 | ||
578 | Float_t r1Left = r0Left + height1Left; | |
579 | ||
580 | partubs[0] = r0Left; | |
581 | partubs[1] = r1Left; | |
582 | ||
583 | TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2], | |
584 | partubs[3], partubs[4]); | |
585 | v0L1->SetNumberOfDivisions(ndiv); | |
586 | ||
587 | Float_t r2Left = r1Left + height2Left; | |
588 | ||
589 | partubs[0] = r1Left; | |
590 | partubs[1] = r2Left; | |
591 | ||
592 | TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2], | |
593 | partubs[3], partubs[4]); | |
594 | v0L2->SetNumberOfDivisions(ndiv); | |
595 | ||
596 | Float_t r3Left = r2Left + height3Left; | |
597 | ||
598 | partubs[0] = r2Left; | |
599 | partubs[1] = r3Left; | |
600 | ||
601 | TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2], | |
602 | partubs[3], partubs[4]); | |
603 | v0L3->SetNumberOfDivisions(ndiv); | |
604 | ||
605 | partubs[0] = r3Left; | |
606 | partubs[1] = r4Left; | |
607 | ||
608 | TTUBS *v0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2], | |
609 | partubs[3], partubs[4]); | |
610 | v0L4->SetNumberOfDivisions(ndiv); | |
611 | ||
612 | Int_t ndetL = 1; | |
613 | ||
614 | for (phi = 15.0; phi < 360.0; phi = phi + phiDeg) | |
615 | ||
616 | { | |
617 | ||
618 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
619 | ||
620 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
621 | ||
622 | v0Lnode->cd(); | |
623 | v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920); | |
624 | v0Lnode0->SetLineColor(kColorVZERO); | |
625 | fNodes->Add(v0Lnode0); | |
626 | ndetL++; | |
627 | ||
628 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
629 | v0Lnode0->cd(); | |
630 | v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0); | |
631 | v0Lnode1->SetLineColor(kColorVZERO); | |
632 | fNodes->Add(v0Lnode1); | |
633 | ndetL++; | |
634 | ||
635 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
636 | v0Lnode0->cd(); | |
637 | v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0); | |
638 | v0Lnode2->SetLineColor(kColorVZERO); | |
639 | fNodes->Add(v0Lnode2); | |
640 | ndetL++; | |
641 | ||
642 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
643 | v0Lnode0->cd(); | |
644 | v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0); | |
645 | v0Lnode3->SetLineColor(kColorVZERO); | |
646 | fNodes->Add(v0Lnode3); | |
647 | ndetL++; | |
648 | ||
649 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
650 | v0Lnode0->cd(); | |
651 | v0Lnode4 = new TNode(nameNode,nameNode,v0L4,0.0,0.0, 0.0,0); | |
652 | v0Lnode4->SetLineColor(kColorVZERO); | |
653 | fNodes->Add(v0Lnode4); | |
654 | ndetL++; | |
655 | ||
656 | v0Lnode0->SetVisibility(2); | |
657 | } | |
658 | } | |
659 | ||
660 | //_____________________________________________________________________________ | |
661 | void AliVZEROv4::CreateMaterials() | |
662 | { | |
663 | ||
664 | // Creates materials used for geometry | |
665 | ||
254ef8f1 | 666 | AliDebug(2,"VZERO create materials"); |
79b41939 | 667 | |
668 | /* | |
669 | Float_t ppckov[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9, | |
670 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
671 | ||
672 | ||
673 | Float_t ppckov_alu[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9, | |
674 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
675 | ||
676 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
677 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
678 | 1.662295, 1.68337 }; | |
679 | ||
680 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
681 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
682 | ||
683 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
684 | ||
685 | ||
686 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
687 | ||
688 | ||
689 | Float_t absco_alu[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4, | |
690 | 1e-4,1e-4,1e-4,1e-4 }; | |
691 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
692 | ||
693 | */ | |
694 | ||
695 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
696 | ||
79b41939 | 697 | |
698 | // Parameters related to Quarz (SiO2) : | |
699 | ||
700 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
701 | Int_t nlmatqua; | |
702 | ||
703 | aqua[0] = 28.09; | |
704 | aqua[1] = 16.; | |
705 | zqua[0] = 14.; | |
706 | zqua[1] = 8.; | |
707 | densqua = 2.64; | |
708 | nlmatqua = -2; | |
709 | wmatqua[0] = 1.; | |
710 | wmatqua[1] = 2.; | |
711 | ||
712 | // Parameters related to aluminum sheets : | |
713 | ||
714 | Float_t aal = 26.98; | |
715 | Float_t zal = 13.00; | |
716 | Float_t densal= 2.7; | |
717 | Float_t radlal= 8.9; | |
718 | ||
719 | // Parameters related to scintillator CH : | |
720 | ||
721 | Float_t ascin[2] = {1.00794,12.011}; | |
722 | Float_t zscin[2] = {1.,6.}; | |
723 | Float_t wscin[2] = {1.,1.}; | |
724 | Float_t denscin = 1.032; | |
725 | ||
f7b3a79e | 726 | // AIR |
727 | ||
728 | Float_t aAir[4]={12.,14.,16.,36.}; | |
729 | Float_t zAir[4]={6.,7.,8.,18.}; | |
730 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
731 | Float_t dAir = 1.20479E-3; | |
732 | ||
79b41939 | 733 | // Definition of materials : |
f7b3a79e | 734 | |
735 | // AIR | |
736 | ||
737 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); | |
738 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
79b41939 | 739 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
740 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
741 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
742 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
743 | ||
744 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
745 | ||
746 | ||
747 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
748 | Float_t sXMGMX = gAlice->Field()->Max(); | |
749 | ||
750 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
751 | ||
752 | tmaxfd = 10.; | |
753 | stemax = 0.1; | |
754 | deemax = 0.1; | |
755 | epsil = 0.001; | |
756 | stmin = 0.001; | |
757 | ||
758 | // Active Air : | |
759 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
760 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
761 | ||
762 | // Inactive air : | |
763 | ||
764 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
765 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
766 | ||
767 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
768 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
769 | ||
770 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
771 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
772 | ||
773 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
774 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
775 | ||
776 | ||
777 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
778 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
779 | ||
780 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
781 | ||
782 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
783 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
784 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
785 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
786 | ||
787 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
788 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
789 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
790 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
791 | ||
792 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
793 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
794 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
795 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
796 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
797 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
798 | ||
799 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
800 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
801 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
802 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
803 | ||
804 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
805 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
806 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
807 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
808 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
809 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
810 | ||
811 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
812 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
813 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
814 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
815 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
816 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
817 | ||
818 | ||
819 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
820 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
821 | ||
822 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
823 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
824 | ||
825 | } | |
826 | ||
827 | //_____________________________________________________________________________ | |
ba380e33 | 828 | void AliVZEROv4::DrawModule() const |
79b41939 | 829 | { |
830 | ||
831 | // Drawing is done in DrawVZERO.C | |
832 | ||
254ef8f1 | 833 | AliDebug(2,"VZERO DrawModule"); |
79b41939 | 834 | } |
835 | ||
836 | //_____________________________________________________________________________ | |
837 | void AliVZEROv4::Init() | |
838 | { | |
839 | // Initialises version 2 of the VZERO Detector | |
840 | // Just prints an information message | |
841 | ||
254ef8f1 | 842 | AliDebug(2,Form("VZERO version %d initialized",IsVersion())); |
79b41939 | 843 | |
844 | // gMC->SetMaxStep(fMaxStepAlu); | |
845 | // gMC->SetMaxStep(fMaxStepQua); | |
846 | ||
847 | AliVZERO::Init(); | |
848 | } | |
849 | ||
850 | //_____________________________________________________________________________ | |
851 | void AliVZEROv4::StepManager() | |
852 | { | |
853 | ||
854 | // Step Manager, called at each step | |
855 | ||
856 | Int_t copy; | |
857 | static Int_t vol[4]; | |
858 | static Float_t hits[21]; | |
859 | static Float_t eloss, tlength; | |
860 | static Int_t nPhotonsInStep; | |
861 | static Int_t nPhotons; | |
862 | static Int_t numStep; | |
863 | Float_t ringNumber; | |
864 | Float_t destep, step; | |
865 | ||
866 | numStep += 1; | |
867 | ||
868 | // We keep only charged tracks : | |
869 | ||
870 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
871 | ||
872 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); | |
873 | vol[2] = gMC->CurrentVolID(copy); | |
874 | vol[3] = copy; | |
875 | ||
d6fb41ac | 876 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
877 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
878 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
879 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
880 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
881 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
882 | static Int_t idV0R4 = gMC->VolId("V0R4"); | |
883 | static Int_t idV0L4 = gMC->VolId("V0L4"); | |
884 | ||
885 | if ( gMC->CurrentVolID(copy) == idV0R1 || | |
886 | gMC->CurrentVolID(copy) == idV0L1 ) | |
79b41939 | 887 | ringNumber = 1.0; |
d6fb41ac | 888 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
889 | gMC->CurrentVolID(copy) == idV0L2 ) | |
79b41939 | 890 | ringNumber = 2.0; |
d6fb41ac | 891 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
892 | gMC->CurrentVolID(copy) == idV0L3 ) | |
79b41939 | 893 | ringNumber = 3.0; |
d6fb41ac | 894 | else if ( gMC->CurrentVolID(copy) == idV0R4 || |
895 | gMC->CurrentVolID(copy) == idV0L4 ) | |
79b41939 | 896 | ringNumber = 4.0; |
897 | else | |
898 | ringNumber = 0.0; | |
899 | ||
900 | if ( ringNumber > 0.5 ) { | |
901 | ||
902 | destep = gMC->Edep(); | |
903 | step = gMC->TrackStep(); | |
904 | ||
905 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
906 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
907 | ||
908 | eloss += destep; | |
909 | tlength += step; | |
910 | ||
911 | if ( gMC->IsTrackEntering() ) { | |
912 | ||
913 | nPhotons = nPhotonsInStep; | |
914 | gMC->TrackPosition(fTrackPosition); | |
915 | gMC->TrackMomentum(fTrackMomentum); | |
916 | ||
917 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
918 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
919 | ||
920 | hits[0] = fTrackPosition.X(); | |
921 | hits[1] = fTrackPosition.Y(); | |
922 | hits[2] = fTrackPosition.Z(); | |
923 | hits[3] = Float_t (gMC->TrackPid()); | |
924 | ||
925 | hits[4] = gMC->TrackTime(); | |
926 | hits[5] = gMC->TrackCharge(); | |
927 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
928 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
929 | hits[8] = ringNumber; | |
930 | ||
931 | hits[9] = pt; | |
932 | hits[10] = fTrackMomentum.P(); | |
933 | hits[11] = fTrackMomentum.Px(); | |
934 | hits[12] = fTrackMomentum.Py(); | |
935 | hits[13] = fTrackMomentum.Pz(); | |
936 | ||
937 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
938 | hits[14] = par->Vx(); | |
939 | hits[15] = par->Vy(); | |
940 | hits[16] = par->Vz(); | |
941 | ||
942 | tlength = 0.0; | |
943 | eloss = 0.0; | |
944 | } | |
945 | ||
946 | nPhotons = nPhotons + nPhotonsInStep; | |
947 | ||
948 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
949 | ||
950 | nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters)); | |
951 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot); | |
952 | ||
953 | hits[17] = eloss; | |
954 | hits[18] = tlength; | |
955 | hits[19] = nPhotons; | |
956 | hits[20] = GetCellId (vol, hits); | |
957 | ||
958 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
959 | ||
960 | tlength = 0.0; | |
961 | eloss = 0.0; | |
962 | nPhotons = 0; | |
963 | nPhotonsInStep = 0; | |
964 | ||
965 | numStep = 0; | |
966 | } | |
967 | } | |
968 | ||
969 | } | |
970 | ||
971 | //_____________________________________________________________________________ | |
972 | void AliVZEROv4::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
973 | { | |
974 | ||
975 | // Adds a VZERO hit | |
976 | ||
977 | TClonesArray &lhits = *fHits; | |
978 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
979 | } | |
980 | ||
981 | //_____________________________________________________________________________ | |
982 | void AliVZEROv4::AddDigits(Int_t *tracks, Int_t* digits) | |
983 | { | |
984 | ||
985 | // Adds a VZERO digit | |
986 | ||
987 | TClonesArray &ldigits = *fDigits; | |
988 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
989 | } | |
990 | ||
991 | //_____________________________________________________________________________ | |
992 | void AliVZEROv4::MakeBranch(Option_t *option) | |
993 | { | |
994 | ||
995 | // Creates new branches in the current Root Tree | |
996 | ||
997 | char branchname[10]; | |
998 | sprintf(branchname,"%s",GetName()); | |
254ef8f1 | 999 | AliDebug(2,Form("fBufferSize = %d",fBufferSize)); |
79b41939 | 1000 | |
1001 | const char *cH = strstr(option,"H"); | |
1002 | ||
1003 | if (fHits && TreeH() && cH) { | |
1004 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
254ef8f1 | 1005 | AliDebug(2,Form("Making Branch %s for hits",branchname)); |
79b41939 | 1006 | } |
1007 | ||
1008 | const char *cD = strstr(option,"D"); | |
1009 | ||
1010 | if (fDigits && fLoader->TreeD() && cD) { | |
1011 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
254ef8f1 | 1012 | AliDebug(2,Form("Making Branch %s for digits",branchname)); |
79b41939 | 1013 | } |
1014 | ||
1015 | } | |
1016 | ||
1017 | //_____________________________________________________________________________ | |
1018 | Int_t AliVZEROv4::GetCellId(Int_t *vol, Float_t *hits) | |
1019 | { | |
1020 | ||
1021 | // Returns Id of scintillator cell | |
1022 | // Right side from 0 to 47 | |
1023 | // Left side from 48 to 95 | |
1024 | ||
1025 | Int_t index = vol[1]; | |
1026 | fCellId = 0; | |
1027 | ||
1028 | if (index < 10) index = index + 12; | |
1029 | ||
1030 | if (hits[2] < 0.0) { | |
1031 | index = (index - 10) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1032 | fCellId = index; | |
1033 | } | |
1034 | else if (hits[2] > 0.0) | |
1035 | { | |
1036 | index = (index + 38) + ( ( Int_t(hits[8]) - 1 ) * 12); | |
1037 | fCellId = index;} | |
1038 | ||
1039 | return fCellId; | |
1040 | } |